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5 Written questions

5 Matching questions

  1. triacylglycerol
  2. condensation reaction
  3. carbohydrate
  4. glycogen
  5. cholesterol
  1. a An extensively branched glucose storage polysaccharide found in the liver and muscle of animals; the animal equivalent of starch
  2. b A reaction in which two molecules become covalently bonded to each other through the loss of a small molecule, usually water; also called dehydration reaction
  3. c Three fatty acids linked to one glycerol molecule
  4. d A steroid that forms an essential component of animal cell membranes and acts as a precursor molecule for the synthesis of other biologically important steroids
  5. e A sugar (monosaccharide) or one of its dimers (disaccharides) or polymers (polysaccharides).

5 Multiple choice questions

  1. the covalent bond between two amino acid units, formed by condensation synthesis
  2. The simplest carbohydrate, active alone or serving as a monomer for disaccharides and polysaccharides. Also known as simple sugars, the molecular formulas of monosaccharides are generally some multiple of CH20
  3. A spiral shape constituting one form of the secondary structure of proteins, arising from a specific hydrogen-bonding structure
  4. A storage polysaccharide in plants consisting entirely of glucose
  5. A type of nucleic acid consisting of nucleotide monomers with a ribose sugar and the nitrogenous bases adenine (A), cytosine (C), guanine (G), and uracil (U); usually single-stranded; functions in protein synthesis and as the genome of some viruses

5 True/False questions

  1. purinea nitrogenous base that has a double-ring structure; one of the two general categories of nitrogenous bases found in DNA and RNA; either adenine or guanine


  2. proteinA three-dimensional biological polymer constructed from a set of 20 different monomers called amino acids


  3. amino acidAn organic molecule possessing both carboxyl and amino groups. Amino acids serve as the monomers of proteins


  4. dehydration reactionA chemical reaction in which two molecules covalently bond to each other with the removal of a water molecule


  5. primary structurethe level of protein structure referring to the specific sequence of amino acids


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